Online Text to Octal Converter
文本转八进制八进制转文本UTF-8进制转换
Convert any text (Chinese, emoji included) to UTF-8 octal byte sequences and back. Three-digit zero-padded bytes separated by spaces, tolerant parsing, fully local processing.
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How to Use
- Paste the raw text into the input box
- Choose encode or decode direction
- Output appears instantly — copy in one click
- All encoding/decoding runs locally; sensitive content never leaves your device
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FAQ
Why is octal output three digits per group?
A byte maxes at 255, which is octal 377 — exactly three digits — so each byte is zero-padded to three digits for alignment.
How does it differ from hexadecimal conversion?
Both use UTF-8 bytes, only the base differs: octal digits are 0-7 and need more positions, commonly seen in Unix permission notation.
Will my data be uploaded?
No, all conversion runs locally in your browser, nothing is uploaded.